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Enflame L600 vs Enflame Yunsui i20

Side-by-side specifications, performance, and rental pricing for datacenter AI workloads.

L600: GCU-CARA 4, 2025 Yunsui i20: GCU / DTU 2.5, 2021
Memory
144 vs 16 GB
128 GB more for the L600
TDP
700 W vs 150 W
Yunsui i20 draws 550 W less
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Enflame L600 vs Enflame Yunsui i20

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EF

Enflame L600

Full specs →

What is the Enflame L600?

The L600 is an ASIC from Enflame on the GCU-CARA 4 architecture, an accelerator built for AI workloads. It is an OAM module, the open accelerator format used in multi-GPU servers. L600 full specifications →

Can I rent the L600 in the cloud?

Flopper is not tracking any live rental listings for the L600 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the L600 compare with other accelerators?

This page sets the L600 against the Yunsui i20. The L600 is the newer generation of the two. Both are Enflame parts; the L600 is an OAM module while the Yunsui i20 is a PCIe card. Flopper also compares it head to head with the H20 141GB HBM3e and Yunsui T20, across every published precision, memory and power. L600 vs H20 141GB HBM3e →

Where do the L600 figures come from?

Enflame published the L600 figures in marketing material rather than a datasheet, and Flopper has no independent confirmation of them. How Flopper verifies specifications →

EF

Enflame Yunsui i20

Full specs →

What is the Enflame Yunsui i20?

The Yunsui i20 is an ASIC from Enflame on the GCU / DTU 2.5 architecture, an accelerator built for AI workloads. It is a PCIe add-in card, so it fits standard servers and workstations. Yunsui i20 full specifications →

Can I rent the Yunsui i20 in the cloud?

Flopper is not tracking any live rental listings for the Yunsui i20 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Yunsui i20 compare with other accelerators?

This page sets the Yunsui i20 against the L600. The Yunsui i20 is the older generation of the two. Both are Enflame parts; the Yunsui i20 is a PCIe card while the L600 is an OAM module. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the Yunsui i20 figures come from?

Enflame published the Yunsui i20 figures in marketing material rather than a datasheet, and Flopper has no independent confirmation of them. How Flopper verifies specifications →

Specifications

EF
L600
EF
Yunsui i20
Architecture
GCU-CARA 4GCU / DTU 2.5
Launch Year
20252021
Form Factor
OAMPCIe
Memory
144 GB16 GB
Memory Bandwidth
—819 GB/s
TDP
700 W150 W
Process Node
—12nm

Performance (TFLOPS)

EF
L600
EF
Yunsui i20
No verified data available No verified data available
No verified data available32 TFLOPS
No verified data available128 TFLOPS
No verified data available128 TFLOPS
No verified data available128 TFLOPS
No verified data available No verified data available
FP6
No verified data available No verified data available
No verified data available No verified data available
No verified data available256 TOPS

Figures are dense. Where a vendor publishes a figure it sits under the dense one and never decides a winner. Hover any precision for its definition, or read the GPU glossary.

FLOPS by Precision

What actually differs

The L600 is the newer part: GCU-CARA 4 (2025) against the Yunsui i20's GCU / DTU 2.5 (2021).

The L600 carries 128 GB more memory (144 GB against 16 GB), so larger models fit on one GPU before you shard.

Power is 700 W against 150 W, and at FP32 the Yunsui i20 does more work per watt. Weight the FP8 and FP16 rows for LLM work and the FP64 row for HPC.

New to the terms? The glossary explains FP32, TF32, BF16, FP16, FP8, INT8, Sparsity and TFLOPS.

Frequently asked questions

Which should you choose, the L600 or the Yunsui i20?

Choose the L600 when the model has to fit on one GPU: it carries 128 GB more memory. The Yunsui i20 draws 550 W less power, which matters in an air-cooled or power-capped rack. Packaging differs too: the L600 is an OAM module while the Yunsui i20 is a PCIe card, so check what your servers accept.

Which has more memory, the L600 or the Yunsui i20?

The L600 carries 144 GB of memory versus 16 GB for the Yunsui i20.

How much power do the L600 and the Yunsui i20 draw?

The L600 is rated at 700 W TDP and the Yunsui i20 at 150 W. On FP32 throughput per watt, the Yunsui i20 is the more efficient part.

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